HV or hv or ''variant'', is a two-letter acronym which may refer to:

Places

Burkina Faso Burkina Faso (, ; , ff, 𞤄𞤵𞤪𞤳𞤭𞤲𞤢 𞤊𞤢𞤧𞤮, italic=no) is a landlocked country in West Africa with an area of , bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the ...

(WMO country code HV, from the former French name, "Haute Volta" -- Upper Volta) *

Hudson Valley The Hudson Valley (also known as the Hudson River Valley) comprises the valley of the Hudson River and its adjacent communities in the U.S. state of New York. The region stretches from the Capital District including Albany and Troy south to ...

, New York State, USA

Groups, companies, organizations

Transavia Transavia Airlines C.V., trading as Transavia and formerly branded as ''transavia.com'', is a Dutch low-cost airline and a wholly owned subsidiary of KLM and therefore part of the Air France–KLM group. Its main base is Amsterdam Airport Schi ...

(IATA airline code HV) *

Hendrik Vermeulen Hendrik Meyer-Vermeulen (born ''Hendrik Mentz Vermeulen'', 7 April 1982) is a South African Couturier and fashion designer, specialising in Haute Couture and Corsetry as well as a singer-songwriter performing under stage name Joh Urban. In 200 ...

, a South African fashion label

Military units

Heimevernet The Norwegian Home Guard ( no, Heimevernet – "HV") is the rapid mobilisation force within the Norwegian armed forces. Its main focus is local defense and civil support, but it can also detach volunteers for international operations. Its main ta ...

, a Norwegian military force *

Hemvärnet The Home Guard – National Security Forces ( sv, Hemvärnet – Nationella skyddsstyrkorna) is a military reserve force of the Swedish Armed Forces. It was formally established on May 29, 1940, during World War II upon popular demand. While ori ...

, a Swedish military force *

Hrvatska Vojska The Croatian Army ( hr, Hrvatska kopnena vojska or HKoV) is the largest and most significant component of the Croatian Armed Forces (CAF). Role and deployment The fundamental role and purpose of the Croatian Army is to protect vital national i ...

, the Croatian army * , the Danish home guard

Electronics and electrics

High voltage High voltage electricity refers to electrical potential large enough to cause injury or damage. In certain industries, ''high voltage'' refers to voltage above a certain threshold. Equipment and conductors that carry high voltage warrant spec ...

, in electricity distribution * hecto

volt The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827). Defi ...

(hV), a unit of 100 volts *

Hasselblad HV The Sony Alpha 99 was announced by Sony on September 12, 2012. It was the flagship Sony DSLR camera and of the Sony Alpha SLT line until late 2016 when it was replaced by the Sony α99 II. It features the 24.3MP 35mm full-frame Exmor APS HD C ...

, a digital system camera based on the Sony α SLT-A99V *

Home video Home video is prerecorded media sold or rented for home viewing. The term originates from the VHS and Betamax era, when the predominant medium was videotapes, but has carried over to optical disc formats such as DVD, Blu-ray and streaming me ...

, pre-recorded media for home entertainment

Transportation

* High Volume, a term often used for

kayak A kayak is a small, narrow watercraft which is typically propelled by means of a double-bladed paddle. The word kayak originates from the Greenlandic word ''qajaq'' (). The traditional kayak has a covered deck and one or more cockpits, each se ...

sizes *

Hybrid vehicle A hybrid vehicle is one that uses two or more distinct types of power, such as submarines that use diesel when surfaced and batteries when submerged. Other means to store energy include pressurized fluid in hydraulic hybrids. The basic princip ...

s, which use two or more distinct types of power *

Hydrogen vehicle A hydrogen vehicle is a vehicle that uses hydrogen fuel for motive power. Hydrogen vehicles include hydrogen-fueled space rockets, as well as ships and aircraft. Power is generated by converting the chemical energy of hydrogen to mechanical energ ...

, powered by hydrogen

Science and technology

Absolute visual magnitude Absolute magnitude () is a measure of the luminosity of a celestial object on an inverse logarithmic astronomical magnitude scale. An object's absolute magnitude is defined to be equal to the apparent magnitude that the object would have if it ...

, or V-band magnitude, H_V * Mitochondrial DNA Haplogroup HV *

Hypervelocity star In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space. Stellar kinematics encompasses the measurement of stellar velocities in the Milky Way and its satellites as well as ...

, an astronomical object or as a designation of such in a star catalogue *

hν Photon energy is the energy carried by a single photon. The amount of energy is directly proportional to the photon's electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength. The higher the photon's frequency, ...

, light, in chemistry shorthand *

Vickers Hardness The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. The Vickers test is often easier to use than other hardness t ...

, a hardness test

Other uses

* Holcomb Valley Scout Ranch * Holiday village, a holiday resort where the visitors stay in villas *

Hwair Hwair (also , , ) is the name of , the Gothic letter expressing the or sound (reflected in English by the inverted '' wh''-spelling for ). Hwair is also the name of the Latin ligature (capital ) used to transcribe Gothic. Name The name of the ...

(), a Gothic letter, called ''hv'' in Unicode * ''

Humanae vitae ''Humanae vitae'' (Latin: ''Of Human Life'') is an encyclical written by Pope Paul VI and dated 25 July 1968. The text was issued at a Vatican press conference on 29 July. Subtitled ''On the Regulation of Birth'', it re-affirmed the teaching of ...

'', a papal encyclical *

High Valyrian The Valyrian languages are a fictional language family in the ''A Song of Ice and Fire'' series of fantasy novels by George R. R. Martin, and in their television adaptation ''Game of Thrones'' and later ''House of the Dragon''. In the novels, H ...

, a fictional language used in the ''Song of Ice and Fire'' series by David J. Peterson